Forsyth, P. (2004). Marketing and selling professional services/3e (3rd ed.). Kogan page.
Chicago Edition CitationForsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. New Delhi: Kogan page, 2004.
Cita MLAForsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. Kogan page, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.